[color=#9900ff]Construct the perpendicular bisectors of each side in the triangle below. Find the intersection of all three bisectors. [/color][br]

[color=#1e84cc]Drag one of the vertices of the triangle. What type of triangle is formed when the intersection lies:[br][br]in the triangle[br]outside the triangle[br]on the triangle[/color]

[color=#9900ff]The perpendicular bisectors have been constructed for you. Animate point D by clicking the play button on the lower left part of the window. What shape does D seem to make. Verify your answer by right clicking on D and trace. You can pause the animation by clicking on the pause button.[/color]